Category

Copyleft

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GNU Free Documentation License

copyleft license primarily for free software documentation

Creative Commons Corporation

non-profit-organization creating copyright licenses for the public release of creative works

GNU General Public License

series of free software licenses

Creative Commons license

family of public copyright licenses for allowing free use of a work

265px|thumb|alt=Capital letter C flipped around its vertical axis, surrounded by a single line forming a circle.|Copyleft symbol

GNU Lesser General Public License

free software license scheme based on GPL that allows a piece of software to be used in proprietary software

Mozilla Public License

permissive free software license scheme developed by the Mozilla organization

free software license based on the AGPLv1 and GPLv3

Free Art License

type of free content license

Open Database License

free and copyleft license meant for data; it is incompatible with the GNU GPL

Common Development and Distribution License

free and open-source software license

European Union Public Licence

free software license

all rights reversed

pun that indicates a release of copyright or a copyleft licensing status

thumb|Get It Louder Sharism exhibition in Shanghai

dialect of the BASIC programming language

digital commons

cultural and economic assets that exist in digital form and are part of the knowledge commons; digital resource managed and governed by a community of producers and users according to jointly-developed governance rules

GPL font exception

exception to the free software license when dealing with fonts